311917840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2803}}^1$

素因数の和:2936

約数の個数: 80

約数和(自身を含む): 788574528

約数和(自身を除く): 476656688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 856, 1040, 1070, 1391, 1712, 2140, 2782, 2803, 4280, 5564, 5606, 6955, 8560, 11128, 11212, 13910, 14015, 22256, 22424, 27820, 28030, 36439, 44848, 55640, 56060, 72878, 111280, 112120, 145756, 182195, 224240, 291512, 299921, 364390, 583024, 599842, 728780, 1199684, 1457560, 1499605, 2399368, 2915120, 2999210, 3898973, 4798736, 5998420, 7797946, 11996840, 15595892, 19494865, 23993680, 31191784, 38989730, 62383568, 77979460, 155958920, 311917840]

約数ペア:

[(1, 311917840), (2, 155958920), (4, 77979460), (5, 62383568), (8, 38989730), (10, 31191784), (13, 23993680), (16, 19494865), (20, 15595892), (26, 11996840), (40, 7797946), (52, 5998420), (65, 4798736), (80, 3898973), (104, 2999210), (107, 2915120), (130, 2399368), (208, 1499605), (214, 1457560), (260, 1199684), (428, 728780), (520, 599842), (535, 583024), (856, 364390), (1040, 299921), (1070, 291512), (1391, 224240), (1712, 182195), (2140, 145756), (2782, 112120), (2803, 111280), (4280, 72878), (5564, 56060), (5606, 55640), (6955, 44848), (8560, 36439), (11128, 28030), (11212, 27820), (13910, 22424), (14015, 22256)]